May Sorrow Flow Backward Through Time

[Two male leads] (Aloof older brother VS roguishly handsome younger brother) [Two female leads] (Smitten older woman VS fierce dancer) Wang Tingting, the eldest daughter of the Wang family, a rich heiress! The first time Wang Tingting confessed to her dream guy, his younger brother beat her to it... The second time she invited her dream guy out to eat, his younger brother sabotaged her plans... The third time she asked her dream guy to go queue up for a ride, she actually caught him with his younger brother... Wang Tingting got angry and wanted to give her dream guy’s younger brother a piece of her mind, but unexpectedly, her dream guy got all protective of him... There’s no way to win over a dream guy who’s obsessed with his little brother! Just as Wang Tingting was at her wits’ end, a whole bunch of rivals appeared to compete with her for her dream guy. But then her dream guy’s younger brother went into protective-big-brother mode...